dhcpcd-discuss

On Fri, 2019-01-11 at 12:41 +0000, Roy Marples wrote:
> 
> On 11/01/2019 11:32, Joakim Tjernlund wrote:
> > > This is passed to configure: --includedir=/usr/include
> > > 
> > > That is exactly what the compiler then complains about.
> > > So fix the build environment .... how I have no idea, but good luck!
> > > 
> > >   > | ./configure: WARNING: unknown option --exec_prefix
> > >   > | ./configure: WARNING: unknown option --sharedstatedir
> > >   > | ./configure: WARNING: unknown option --oldincludedir
> > >   > | ./configure: WARNING: unknown option --with-libtool-sysroot
> > 
> > I think you have old autotool/libtool which was used to generate this configure.
> > --with-libtool-sysroot is a modern libtool feature, needed for cross building.
> 
> This is hand rolled configure - it's not GNU configure, autotool or libtool.
> The way dhcpcd is configured and built works fine in Gentoo Portage
> which is a cross build environment - all you really need to do is
> specify your cross compiler with the CC env var or --CC= configure option.

I am on Gentoo as well :) It works well because on Gentoo uses gcc's builtin sysroot.
However, one can pass EXTRA_ECONF=--sysroot=/x/y/x if you want a different sysroot.

Maybe the faulty /usr/include below is a result of missing sysroot support ?

> 
> > > These are not supported and passing --includedir=/usr/include  may rely
> > > on them working .... so yeah, remove --includedir=/usr/include from the
> > > configure
> > 
> > Yes, why add /usr/include in the first place?
> 
> dhcpcd doesn't set it at all, it has to come from the outside.
> 
> netbsd$ pwd
> /home/roy/src/dhcpcd
> netbsd$ grep -ER "\/include|includedir|INCLUDEDIR" *
> configure:INCLUDEDIR=
> configure:      -I|--includedir) INCLUDEDIR="$INCLUDEDIR${INCLUDEDIR:+
> }-I$var";;
> configure:  --includedir=DIR        C header files [PREFIX/include]
> configure:if [ -n "$INCLUDEDIR" ]; then
> configure:      echo "CPPFLAGS+=        $INCLUDEDIR" >>$CONFIG_MK
> configure:      if [ -e /usr/include/sha2.h ]; then
> configure:      elif [ -e /usr/include/sha256.h ]; then
> netbsd$
> 
> > >   > | ./configure: WARNING: unknown option --with-udev
> > > 
> > > You can't turn udev on explicitly, you can only turn it off.
> > 
> > "On" should be an option too and configure should fail if it doesn't find udev
> 
> As you wish:
> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Froy.marples.name%2Fgit%2Fdhcpcd.git%2Fcommit%2F%3Fid%3D2baa28fe39f3c1e780f8b1585c0ca518241f9677&data=02%7C01%7CJoakim.Tjernlund%40infinera.com%7Cc8c024b6a45b4507917408d677c22da9%7C285643de5f5b4b03a1530ae2dc8aaf77%7C1%7C0%7C636828073214383492&sdata=QlhNFxB262Ww1Urn937%2BGuMpSr4KMAH0%2F%2Fj4yqiP3l8%3D&reserved=0

:) You are way too fast for me